{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "The nacre - mimicking fibers are highly electrically conductive ( ~ 350 S m ( - 1 ) ) after immersing in hydroiodic acid , enabling them to connect a circuit to illuminate an LED lamp ."}
{"Chemical": ["hydroiodic acid"]}